Flerovium

Neptunium

Flerovium Neptunium Comparison

Flerovium

Neptunium

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Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

Facts

Interesting Facts

Sources

Who Discovered

Discovery

Abundance In Universe

Abundance In Sun

Abundance In Meteorites

Abundance In Earth's Crust

Abundance In Oceans

Abundance In Humans

Uses

Uses & Benefits

Industrial Uses

Medical Uses

Other Uses

Toxicity

Present in Human Body

In Blood

In Bone

Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Known Isotopes

Pauling Electronegativity

Sanderson Electronegativity

Allred Rochow Electronegativity

Mulliken-Jaffe Electronegativity

Allen Electronegativity

Pauling Electropositivity

1st Energy Level

2nd Energy Level

3rd Energy Level

4th Energy Level

5th Energy Level

6th Energy Level

7th Energy level

8th Energy Level

9th Energy Level

10th Energy Level

11th Energy Level

12th Energy Level

13th Energy Level

14th Energy Level

15th Energy Level

16th Energy Level

17th Energy Level

18th Energy Level

19th Energy Level

20th Energy Level

21st Energy Level

22nd Energy Level

23rd Energy Level

24th Energy Level

25th Energy Level

26th Energy Level

27th Energy Level

28th Energy Level

29th Energy Level

30th Energy Level

Electrochemical Equivalent

Electron Work Function

Other Chemical Properties

Atomic

Atomic Number

Electron Configuration

Crystal Structure

Crystal Lattice

Number of Protons

Number of Neutrons

Number of Electrons

Atomic Radius

Covalent Radius

Van der Waals Radius

Atomic Weight

Atomic Volume

Previous Element

Next Element

Valence Electron Potential

Lattice Constant

Lattice Angles

Lattice C/A Ratio

Mechanical

Density At Room Temperature

Density When Liquid (at m.p.)

Tensile Strength

Viscosity

Vapor Pressure at 1000 K

Vapor Pressure at 2000 K

Shear Modulus

Bulk Modulus

Young's Modulus

Poisson Ratio

Other Mechanical Properties

Magnetic

Specific Gravity

Magnetic Ordering

Permeability

Susceptibility

Electrical Property

Resistivity

Electrical Conductivity

Electron Affinity

Thermal

Specific Heat

Molar Heat Capacity

Thermal Conductivity

Critical Temperature

Thermal Expansion

Enthalpy of Vaporization

Enthalpy of Fusion

Enthalpy of Atomization

Standard Molar Entropy

p block

Post-Transition

54085164

198.00

Flerovium is named after the Flerov Laboratory of Nuclear Reactions.

Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory

In 1999

0.00 %

Currently known uses of Flerovium metal are limited to research purpose only.

Alloys, Research Purposes

✔✘

0.00 Blood/mg dm-3

0.00 p.p.m.

67.00 °C

147.00 °C

Solid

Unknown Luster

4.00

350.00 MPa

450.00 MPa

3,200.00 m/s

1.30

68.00 %

✔✘

2.60

1.30

2.00

823.90 kJ/mol

1,601.60 kJ/mol

3,367.30 kJ/mol

4,399.70 kJ/mol

5,847.00 kJ/mol

11,400.00 kJ/mol

5,400.00 kJ/mol

6,700.00 kJ/mol

5,840.00 kJ/mol

6,000.00 kJ/mol

36,400.00 kJ/mol

5,400.00 kJ/mol

1,145.00 kJ/mol

67,000.00 kJ/mol

36,400.00 kJ/mol

1,144.00 kJ/mol

3,400.00 kJ/mol

1,127.50 kJ/mol

800.00 kJ/mol

670.00 kJ/mol

340.00 kJ/mol

1,120.00 kJ/mol

540.10 kJ/mol

0.00 kJ/mol

540.10 kJ/mol

540.00 kJ/mol

800.00 kJ/mol

800.10 kJ/mol

0.00 kJ/mol

3.00 g/amp-hr

4.90 eV

Ionization, Radioactive Isotopes, Radioactivity

114

[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²

Not Known

Unknown-Crystal-Structure-of-Flerovium.jpg#100

114

184

114

180.00 pm

171.00 pm

0.00 pm

289.00 amu

14.00 cm3/mol

0.00 (-eV)

1.60

14.00 g/cm³

14.00 g/cm3

0.10 MPa

0.00

0.00 (Pa)

35.00 GPa

15.00 GPa

0.00 GPa

0.30

14.00

0.00 H/m

0.00

5.40 nΩ·m

0.00 10⁶/cm Ω

0.10 J/(kg K)

27.00 J/mol·K

0.00 W/m·K

340.00 K

7.10 µm/(m·K)

337.40 kJ/mol

14.50 kJ/mol

57.00 J/mol.K

f block

Actinide

7439998

Pnma

62.00

Neptunium was the first transuranium element to be discovered.

Made by Bombarding Uranium with Neutrons, Ores of metals

Edwin McMillan and Philip H. Abelson

In 1940

0.00 %

Currently known uses of Neptunium metal are limited to research purpose only.
Neptunium’s isotope neptunium-237 is used as a neutron detectors.

Alloys, Nuclear Research, Research Purposes

Toxic

✔✘

0.00 Blood/mg dm-3

0.00 p.p.m.

640.00 °C

3,902.00 °C

Solid

Silver

Metallic

6.00

622.00 MPa

640.00 MPa

2,260.00 m/s

1.30

64.00 %

✔✘

1.36

1.22

1.36

2.64

604.50 kJ/mol

1,128.00 kJ/mol

1,997.00 kJ/mol

3,242.00 kJ/mol

6,180.00 kJ/mol

5,785.00 kJ/mol

6,040.00 kJ/mol

6,180.00 kJ/mol

61,800.00 kJ/mol

6,180.00 kJ/mol

60,600.00 kJ/mol

60,420.00 kJ/mol

604.00 kJ/mol

6,040.00 kJ/mol

604.50 kJ/mol

604.00 kJ/mol

6,040.00 kJ/mol

604.00 kJ/mol

6,040.00 kJ/mol

604.50 kJ/mol

604.00 kJ/mol

1.77 g/amp-hr

4.90 eV

Ionization, Radioactive Isotopes, Radioactivity, Solubility

[Rn] 5f⁴ 6d¹ 7s²

Orthorhombic (ORTH)

ORTH-Crystal-Structure-of-Neptunium.jpg#100

144

155.00 pm

190.00 pm

221.00 pm

237.00 amu

11.62 cm3/mol

96.00 (-eV)

666.30 pm

π/2, π/2, π/2

1.43

19.38 g/cm³

20.25 g/cm3

125.00 MPa

0.00

0.00 (Pa)

0.11 (Pa)

5.60 GPa

180.00 GPa

46.00 GPa

0.26

Ductile

20.25

Paramagnetic

0.00 H/m

0.00

Conductor

1.22 nΩ·m

0.01 10⁶/cm Ω

118.60 kJ/mol

0.12 J/(kg K)

29.46 J/mol·K

6.30 W/m·K

913.00 K

13.30 µm/(m·K)

336.00 kJ/mol

3.20 kJ/mol

275.30 kJ/mol

64.00 J/mol.K

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